401606-56-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 401606-56-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,0,1,6,0 and 6 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 401606-56:
(8*4)+(7*0)+(6*1)+(5*6)+(4*0)+(3*6)+(2*5)+(1*6)=102
102 % 10 = 2
So 401606-56-2 is a valid CAS Registry Number.